MONARCH DISPOSAL - Key Persons


Adam Green - Chief Risk Officer

Job Titles:
  • Director of Risk Management
  • Director of Risk Management Read More
As Director of Risk Management for TDS and its companies, Adam is responsible for the daily risk management, safety and security needs of Texas Disposal Systems operations and its employees. For the past 20 years, Adam has studied concepts of risk management and has had a rewarding career in underwriting, claims, loss control and safety throughout the Southeast, New England and Texas. Prior to joining TDS in 2021, Adam served as the department head of the Travis County risk management and human resources management team as well as the director of risk and operations at Austin Community College. Adam received his bachelor's degree of business administration in risk management from Georgia State University in Atlanta, Georgia and is a chartered property casualty underwriter through the American Institutes (AICPCU).

Bob Gregory - CEO, Chairman, President

Job Titles:
  • CEO
  • Chairman
  • Member of the Leadership Team
  • Owner
  • President
  • Principal
  • Owner, President, and CEO Read More
Bob Gregory serves as chairman, president and principal owner for Texas Disposal Systems, Inc., Texas Disposal Systems Landfill, Inc., Texas Landfill Management, LLC, Texas Organic Products and Garden-Ville. Through innovative ideas in landfill management, customer service, and environmentally safe practices, TDS is now the largest independently owned solid waste collection, recycling/composting and disposal company in Central Texas, and one of the largest in the nation. Bob also owns TX Alloy, Inc., d.b.a. Acme Iron and Metal Co., a full-service scrap metal processing facility in San Angelo, Texas. Bob graduated from Central High School in San Angelo, Texas and holds a bachelor's degree in business from The University of Texas at Austin. He served as a member of the state's Municipal Solid Waste Management and Resource Recovery Advisory Council from 1989 to 2007 and as its president for the last seven years. He also served as chairman of the Texas Chapter of the National Solid Wastes Management Association (NSWMA) from 1991 to 2003 and served on the board of directors of the Capital Area Council of the Boy Scouts of America. In 2008, Bob was appointed by Governor Rick Perry to the Texas (and Vermont) Low Level Radioactive Waste Disposal Compact Commission and served until September 2011. The NSWMA honored Bob as Member of the Year in 2000. He received a Certificate of Appreciation from the Texas Water Commission (TWC) in recognition for his contribution to protect human health and the environment and his efforts towards developing municipal solid waste landfill regulations for the TWC in 1993. He served as chairman of the two statewide committees that oversaw the development of federally mandated landfill management regulations. In 2010, Bob was inducted into the Environmental Industries Association (EIA) Hall of Fame. The Capital Area Council of the Boy Scouts of America honored him with the Distinguished Citizen of the Year award. He is a Boy Scout Silver Beaver. Bob has lived in Austin since 1971 and is married to his junior high school sweetheart, Kay Rogers Gregory. They have four children and four grandchildren.

Brandon Smitheal

Job Titles:
  • Director of Operations - Offsite Services Read More
As Director of Operations - Offsite Services, Brandon oversees all of TDS' non-Austin based operations, including transfer stations, remote locations and systems throughout the state. Brandon has been with TDS since 2002, serving in a wide variety of roles, including dispatching, groundskeeping and customer care roles, as well as managerial roles such as Roll-Off Manager, Transfer Manager, Dispatch Manager and Business Support Manager. Originally from Austin, Texas, Brandon graduated with a bachelor of arts from the University of Texas.

Eric Krauss

Job Titles:
  • Director of Operations - Commercial Services Read More
As Director of Operations - Commercial Systems, Eric is responsible for the directing, planning and coordinating of TDS' commercial collection systems throughout the state of Texas. Eric has been with TDS since 2007, with previous positions including senior route analyst, data management manager and commercial system manager. Prior to joining TDS, Eric served as Operations Manager for the Austin American-Statesman. Born and raised in Austin, Eric is a graduate of Texas State University, with a bachelor of science in urban planning.

Gary Newton - Chief Legal Officer

Job Titles:
  • General Counsel
  • General Counsel for Texas Disposal Systems, Inc
  • General Counsel Read More
Gary Newton has served as general counsel for Texas Disposal Systems, Inc. since 1996. In this position, he represents TDS and its related entities on general legal issues with a special emphasis on legislative and regulatory affairs. Prior to TDS, Gary was in private practice with Texas-based law firm Jenkens & Gilchrist, P.C. He has extensive experience in advising clients in areas of environmental, legislative and regulatory law. He also worked on legislative affairs regarding solid waste and environmental issues for the Texas House of Representatives' Environmental Affairs Committee from 1985 to 1992. Gary received a B.B.A. in accounting with honors from Southwest Texas State University and a law degree from the University of Houston. He is a member of both the State of Texas and American Bar Associations. Gary is also an associate member of the Texas Legislative Sportsman's Caucus, which promotes outdoor activities such as hunting and fishing. He actively participates in the National Solid Wastes Management Association (NSWMA) programs.

Grant Shelton

Job Titles:
  • Controller
  • Controller Read More
As Controller for our companies, Grant's responsibilities include general accounting, accounts payable/receivable, billing, credit/collections, cost accounting/inventory control, payroll and cash management. Prior to TDS, Grant worked at Arnold Oil Company where he served as VP-Accounting and Finance/Controller. In this role, Grant was responsible for all accounting and finance functions including general accounting, accounts payable, accounts receivable, cash management, credit/collections, payroll and cost accounting/inventory control. Prior to working at Arnold Oil Company, Grant served as CFO/Controller for JD Ramming Paving Company for fourteen years. Grant is a CPA and earned his Bachelor of Business Administration-Accounting from Texas State University.

Janice Brewster Martinez - CHRO

Job Titles:
  • Director of Human Resources
  • Director of Human Resources Read More
Janice Brewster Martinez serves as our Director of Human Resources. She manages the hiring functions, employee relations and employee benefits for the company.

Jason Odom - COO

Job Titles:
  • Director of Operations
  • Director of Operations - Site Services Read More
Jason Odom serves as the Director of Operations - Site Services at TDS. He is responsible for building routing programs for site service drivers, managing employees, and overseeing the portable restroom, special events and disaster relief functions of TDS site services. Prior to joining TDS, Jason was the operations manager of Texas Outhouse for 12 years, building them up as a company. A native of Zachary, Louisiana, Jason is a Marine Corps veteran and attended St. Joseph Seminary College. He holds a Class B operator's permit from TCEQ and is certified by PSAI as an operator for portable restroom services. Outside of work, Jason loves his wife, his three children, going to basketball games and cheering for his beloved hometown LSU Tigers.

Jim Wallace

Job Titles:
  • Director of Maintenance
  • Director of Maintenance Read More
As Director of Maintenance for TDS and its companies, Jim is responsible for directing TDS' maintenance department, ensuring full compliance with safety and environmental regulations and instilling quality practices in inventory controls, as well as in maintenance repairs. Prior to joining TDS in 2021, Jim served as the Corporate Director of Fleet Operation and Vice President of Maintenance. With over 30 years of experience in maintenance operations throughout the United States, Jim is skilled in identifying requirements, forecasting resources, providing oversight and improving equipment dependability and safety. Born and raised in Southeast Texas, Jim is a Texan through and through and attended Brazosport College in Richwood, TX.

Julio Castillero

Job Titles:
  • Director of Operations - Residential Systems Read More
As Director of Operations - Residential Systems, Julio is responsible for directing, planning, and coordinating TDS' residential collection systems throughout the state of Texas. Julio has been a part of TDS for two decades, first starting as a residential driver in 1998. In his tenure, he has worked up the ranks as a lead driver, assistant residential manager, and systems manager before his promotion to director. Prior to working at TDS, Julio served as a route auditor and driver for Waste Management. Julio is a graduate of East Texas Baptist University with a degree in Business Administration. Originally from Mount Pleasant, Julio has been married for 20 years and has two wonderful children.

Larry Laine

Job Titles:
  • Director of Facilities
  • Director of Facilities Read More
Larry Laine serves as Director of Facilities and is responsible for general oversight of proposed expansions within our organization with respect to our facilities, ranging from new business development at the landfill to our off-site transfer stations scattered throughout our service territory. He is also charged with reviewing and implementing new strategies and initiatives stemming from our award-winning state-of-the-art integrated landfill. Larry has extensive experience in managing large groups of dedicated employees in numerous types of operations, most recently as the Chief Clerk/Deputy Land Commissioner of the Texas General Land Office. His 22 years of experience in State Government coupled with another 18 years in the private sector uniquely qualify him as our Facilities Director. With his vast day-to-day operations experience with business units consisting of more than 600 employees and his relationships with local and state political leaders, Larry is well positioned to promote TDS's future and present business units.

Leticia Mendoza

Job Titles:
  • Director of Marketing and Communications
  • Director of Marketing and Communications Read More
Leticia Mendoza serves as Director of Marketing and Communications. She is responsible for community relations, corporate communications, advertising, and media relations functions for the family of companies under the TDS brand. Leticia is a well-experienced manager of public affairs, with a demonstrated history of working in community engagement and relations. She has been with TDS since 2018, previously serving as TDS' community relations manager. In her role, she has managed key relationships such as Austin ISD, the University of Texas, Keep Texas/Austin Beautiful, Rodeo Austin, Austin FC and more. She also has managed the expansion of the TDS Eco Academy program, which has seen curriculum translation into Spanish under her bilingual leadership. Prior to joining TDS, she spent 18 years at H-E-B, both in their public affairs office and in-store leadership. There, she developed her skill sets of community engagement, event management and media relations. Outside the walls of TDS, Leticia is engaged with her own community through her local church, as well as the non-profit organization Con Mi MADRE, where she serves on the board of directors. Originally from Austin, Texas, Leticia attended the University of Texas at El Paso. She is also an alumna of the 2016 Leadership Austin Essential Class and the 2011 Hispanic Austin Leadership program.

Randy Meier - CFO

Job Titles:
  • Director of Finance
  • Director of Finance Read More
As Director of Finance for our companies, Randy is responsible for financial planning and analysis, budgeting and forecasting, contract negotiations and analysis, business information systems, pricing, acquisitions and procurement functions. Prior to TDS, Randy served as Senior Business Manager-Nuclear Operations for AECOM (formerly URS Energy & Construction). In this role, Randy spearheaded business functions for the nuclear operations division including accounting, internal control, cash management, budgeting and forecasting, MD&A analysis, revenue recognition, financial reporting, pricing and proposals on large multi-year services and projects. He has also served as Controller at several companies. Randy earned his Bachelor of Science-Accounting from California State University and his MBA from the University of Phoenix.

Rick Fraumann - VP of Sales

Job Titles:
  • Director of Sales
  • Director of Sales Read More
As Director of Sales, Rick Fraumann brings a "hands on" approach and a wealth of experience to the Texas Disposal Systems sales team, with 25 years of experience in the waste industry. He is skilled in managing top producing sales teams in all facets of the industry and has a successful track record working with hauling operations as well as landfill sales. Rick has trained numerous sales representatives and managers throughout Texas and the Southeast in various selling skills courses. A native of Atlanta, Georgia, Rick attended Asbury College in Wilmore, Kentucky.

Sarah Smith

Job Titles:
  • Director of Operations - Logistics for TDS
  • Director of Operations - Logistics Read More
Sarah Smith serves as the Director of Operations - Logistics for TDS, directing logistics and dispatching activities for all TDS locations across the state. Sarah has over ten years of experience managing customer service and billing offices in both private and governmental entities. She has always had a strong desire to work for companies whose focus was one of environmental stewardship and community leadership, which is what drew her to Texas Disposal Systems. Previous to this position, Sarah lead TDS departments that interact with customers on a daily basis, including Customer Care, Billing, Accounts Receivables, Credit and Collections, as well as Account Processing teams. Sarah completed her B.S. in biology at Sul Ross University.

Spencer Williams

Job Titles:
  • Director of Information Technologies Read More
As Director of Information Technologies for TDS and its companies, Spencer is responsible for all systems and technology across Texas Disposal Systems' varied lines of business. Prior to joining TDS, Spencer served as the senior manager of IT infrastructure at Forestar Group, Inc. There, he led the design and implementation of all infrastructure when Forestar was spun off from its parent company, Temple-Inland. Spencer also held a variety of technical positions at Rush Enterprises, Inc., including the role as Chief IT Architect. Spencer received his bachelor's degree in computer science from Baylor University.

Tom Mistler - CFO, COO

Job Titles:
  • Chief Financial Officer
  • Chief Operating Officer
  • Chief Operating Officer and Chief Financial Officer for Texas Disposal Systems
  • Chief Operating Officer and Chief Financial Officer Read More
Tom Mistler serves as the Chief Operating Officer and Chief Financial Officer for Texas Disposal Systems, responsible for all operational and administrative functions of TDS and affiliated companies. Tom has more than 30 years of experience in a variety of industries, including construction, high tech, start-up, Big Four accounting, and manufacturing environments. A native of Kentucky, Tom received his bachelor's degree in accounting from the University of Kentucky and his MBA from Xavier University in Cincinnati, Ohio. He is a Certified Public Accountant and also serves on the Board of Directors for the Boys & Girls Clubs of the Austin Area.